50.8mm mounted 393.4nm x 3nm

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TheSkyBurner
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50.8mm mounted 393.4nm x 3nm

Post by TheSkyBurner » Thu Oct 04, 2018 1:04 am

bought this from andover awhile back for nearly $800 to use as an energy rejection filter for one of my ealier calcium filter developments.

It is mounted in a newport optical 50.8mm focusing cell https://www.newport.com/p/LT20-F, and shimmed internally with 1.5 degrees of tilt to prevent reflections

I am done with my calcium experiments so this must go to a good home..

I am the original owner, any questions just ask.

Asking $500.00 shipped world wide.

This solar image was captured on march 20th with nothing but this 3.0nm andover filter! It performs very well for what it is.
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Blocking 1x10-4 avg. X-Ray to FIR
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marktownley
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Re: 50.8mm mounted 393.4nm x 3nm

Post by marktownley » Thu Oct 04, 2018 7:15 pm

Nice piece of kit Apollo!
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Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!

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